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Before using the result of env_get("stdin") we must check if it is NULL. Avoid #if. This resolves the -Wunused-but-set-variable issue and we don't need a dummy assignment in the else branch. Anyway this warning is disabled in the Makefile. For sake of readability use an early return after the configuration check. Checking CONFIG_SPL_BUILD is incorrect as env_get() is only defined if CONFIG_$(SPL_TPL)ENV_SUPPORT=y. Fixes: 985ca394 ("spl: input: Allow input in SPL and TPL") Signed-off-by:
Heinrich Schuchardt <heinrich.schuchardt@canonical.com> Reviewed-by:
Simon Glass <sjg@chromium.org> Reviewed-by:
Tom Rini <trini@konsulko.com>
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